‘Meningitis' is a disease of
Respiratory system
Digestive system
Nervous system
Excretory system
$A$ - Acid in the stomach and saliva in the mouthare examples of physiological barrier.
$R$ - Tears from eyes is example of physicalbarrier.
Virus-infected cells secrete proteins called
In the life cycle of Plasmodium, sexual stages (gametocytes) begin to develop in
‘Blood cancer' is also known as
The letter $T$ in $T-$lymphocyte refers to